Cita APA (7a ed.)

Alampay, R. B. A., & Libosada, C. M. (2003). Development of a classification framework on ecotourism initiatives in the Philippines. Philippine APEC Study Center Network.

Cita Chicago Style (17a ed.)

Alampay, Ramon Benedicto A., y Carlos M. Libosada. Development of a Classification Framework on Ecotourism Initiatives in the Philippines. Makati City: Philippine APEC Study Center Network, 2003.

Cita MLA (9a ed.)

Alampay, Ramon Benedicto A., y Carlos M. Libosada. Development of a Classification Framework on Ecotourism Initiatives in the Philippines. Philippine APEC Study Center Network, 2003.